/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.spark.sql

import org.apache.hudi.HoodieSparkUtils
import org.apache.hudi.common.util.ValidationUtils.checkArgument
import org.apache.spark.sql.catalyst.expressions.{AttributeSet, Expression, ProjectionOverSchema}
import org.apache.spark.sql.catalyst.plans.logical.{LogicalPlan, TimeTravelRelation}
import org.apache.spark.sql.types.StructType

object HoodieSpark32CatalystPlanUtils extends HoodieSpark3CatalystPlanUtils {

  override def isRelationTimeTravel(plan: LogicalPlan): Boolean = {
    plan.isInstanceOf[TimeTravelRelation]
  }

  override def getRelationTimeTravel(plan: LogicalPlan): Option[(LogicalPlan, Option[Expression], Option[String])] = {
    plan match {
      case timeTravel: TimeTravelRelation =>
        Some((timeTravel.table, timeTravel.timestamp, timeTravel.version))
      case _ =>
        None
    }
  }

  override def projectOverSchema(schema: StructType, output: AttributeSet): ProjectionOverSchema = {
    val klass = classOf[ProjectionOverSchema]
    checkArgument(klass.getConstructors.length == 1)
    val ctor = klass.getConstructors.head

    val p = if (HoodieSparkUtils.gteqSpark3_2_2) {
      // Spark >= 3.2.2
      ctor.newInstance(schema, output)
    } else {
      // Spark 3.2.0 and 3.2.1
      ctor.newInstance(schema) // ProjectionOverSchema(schema)
    }

    p.asInstanceOf[ProjectionOverSchema]
  }
}
